(two over seven) to the power of two

When dealing with exponents, you have to follow a few rules. When adding bases with exponents the base stays the same and you add the exponents. This is true for subtraction but opposite; base is same and exponents are subtracted. Multiplying through parentheses you must distribute it to all factors so for your problem (2/7) to the power of two the power goes to the 2 and the 7=2x2/7x7=4/49 so your answer should be the fraction of 4/49 4 over 49

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

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to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.